/**
 * @license Highcharts JS v7.2.0 (2019-09-03)
 *
 * Dependency wheel module
 *
 * (c) 2010-2018 Torstein Honsi
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/modules/dependency-wheel', ['highcharts', 'highcharts/modules/sankey'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    var _modules = Highcharts ? Highcharts._modules : {};
    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);
        }
    }
    _registerModule(_modules, 'modules/dependency-wheel.src.js', [_modules['parts/Globals.js']], function (H) {
        /* *
         *
         *  Dependency wheel module
         *
         *  (c) 2018-2019 Torstein Honsi
         *
         *  License: www.highcharts.com/license
         *
         * */
        var base = H.seriesTypes.sankey.prototype;
        /**
         * @private
         * @class
         * @name Highcharts.seriesTypes.dependencywheel
         *
         * @augments Highcharts.seriesTypes.sankey
         */
        H.seriesType('dependencywheel', 'sankey', 
        /**
         * A dependency wheel chart is a type of flow diagram, where all nodes are
         * laid out in a circle, and the flow between the are drawn as link bands.
         *
         * @sample highcharts/demo/dependency-wheel/
         *         Dependency wheel
         *
         * @extends      plotOptions.sankey
         * @since        7.1.0
         * @product      highcharts
         * @optionparent plotOptions.dependencywheel
         */
        {
            /**
             * The center of the wheel relative to the plot area. Can be
             * percentages or pixel values. The default behaviour is to
             * center the wheel inside the plot area.
             *
             * @type    {Array<number|string|null>}
             * @default [null, null]
             * @product highcharts
             */
            center: [null, null],
            curveFactor: 0.6,
            /**
             * The start angle of the dependency wheel, in degrees where 0 is up.
             */
            startAngle: 0
        }, {
            orderNodes: false,
            getCenter: H.seriesTypes.pie.prototype.getCenter,
            /* eslint-disable valid-jsdoc */
            /**
             * Dependency wheel has only one column, it runs along the perimeter.
             * @private
             */
            createNodeColumns: function () {
                var columns = [this.createNodeColumn()];
                this.nodes.forEach(function (node) {
                    node.column = 0;
                    columns[0].push(node);
                });
                return columns;
            },
            /**
             * Translate from vertical pixels to perimeter.
             * @private
             */
            getNodePadding: function () {
                return this.options.nodePadding / Math.PI;
            },
            createNode: function (id) {
                var node = base.createNode.call(this, id);
                node.index = this.nodes.length - 1;
                /**
                 * Return the sum of incoming and outgoing links.
                 * @private
                 */
                node.getSum = function () {
                    return node.linksFrom
                        .concat(node.linksTo)
                        .reduce(function (acc, link) {
                        return acc + link.weight;
                    }, 0);
                };
                /**
                 * Get the offset in weight values of a point/link.
                 * @private
                 */
                node.offset = function (point) {
                    var offset = 0, i, links = node.linksFrom.concat(node.linksTo), sliced;
                    /**
                     * @private
                     */
                    function otherNode(link) {
                        if (link.fromNode === node) {
                            return link.toNode;
                        }
                        return link.fromNode;
                    }
                    // Sort and slice the links to avoid links going out of each
                    // node crossing each other.
                    links.sort(function (a, b) {
                        return otherNode(a).index - otherNode(b).index;
                    });
                    for (i = 0; i < links.length; i++) {
                        if (otherNode(links[i]).index > node.index) {
                            links = links.slice(0, i).reverse().concat(links.slice(i).reverse());
                            sliced = true;
                            break;
                        }
                    }
                    if (!sliced) {
                        links.reverse();
                    }
                    for (i = 0; i < links.length; i++) {
                        if (links[i] === point) {
                            return offset;
                        }
                        offset += links[i].weight;
                    }
                };
                return node;
            },
            /**
             * @private
             * @todo Override the refactored sankey translateLink and translateNode
             * functions instead of the whole translate function.
             */
            translate: function () {
                var options = this.options, factor = 2 * Math.PI /
                    (this.chart.plotHeight + this.getNodePadding()), center = this.getCenter(), startAngle = (options.startAngle - 90) * H.deg2rad;
                base.translate.call(this);
                this.nodeColumns[0].forEach(function (node) {
                    var shapeArgs = node.shapeArgs, centerX = center[0], centerY = center[1], r = center[2] / 2, innerR = r - options.nodeWidth, start = startAngle + factor * shapeArgs.y, end = startAngle +
                        factor * (shapeArgs.y + shapeArgs.height);
                    // Middle angle
                    node.angle = start + (end - start) / 2;
                    node.shapeType = 'arc';
                    node.shapeArgs = {
                        x: centerX,
                        y: centerY,
                        r: r,
                        innerR: innerR,
                        start: start,
                        end: end
                    };
                    node.dlBox = {
                        x: centerX + Math.cos((start + end) / 2) * (r + innerR) / 2,
                        y: centerY + Math.sin((start + end) / 2) * (r + innerR) / 2,
                        width: 1,
                        height: 1
                    };
                    // Draw the links from this node
                    node.linksFrom.forEach(function (point) {
                        var distance;
                        var corners = point.linkBase.map(function (top, i) {
                            var angle = factor * top, x = Math.cos(startAngle + angle) * (innerR + 1), y = Math.sin(startAngle + angle) * (innerR + 1), curveFactor = options.curveFactor;
                            // The distance between the from and to node along the
                            // perimeter. This affect how curved the link is, so
                            // that links between neighbours don't extend too far
                            // towards the center.
                            distance = Math.abs(point.linkBase[3 - i] * factor - angle);
                            if (distance > Math.PI) {
                                distance = 2 * Math.PI - distance;
                            }
                            distance = distance * innerR;
                            if (distance < innerR) {
                                curveFactor *= (distance / innerR);
                            }
                            return {
                                x: centerX + x,
                                y: centerY + y,
                                cpX: centerX + (1 - curveFactor) * x,
                                cpY: centerY + (1 - curveFactor) * y
                            };
                        });
                        point.shapeArgs = {
                            d: [
                                'M',
                                corners[0].x, corners[0].y,
                                'A',
                                innerR, innerR,
                                0,
                                0,
                                1,
                                corners[1].x, corners[1].y,
                                'C',
                                corners[1].cpX, corners[1].cpY,
                                corners[2].cpX, corners[2].cpY,
                                corners[2].x, corners[2].y,
                                'A',
                                innerR, innerR,
                                0,
                                0,
                                1,
                                corners[3].x, corners[3].y,
                                'C',
                                corners[3].cpX, corners[3].cpY,
                                corners[0].cpX, corners[0].cpY,
                                corners[0].x, corners[0].y
                            ]
                        };
                    });
                });
            },
            animate: function (init) {
                if (!init) {
                    var duration = H.animObject(this.options.animation).duration, step = (duration / 2) / this.nodes.length;
                    this.nodes.forEach(function (point, i) {
                        var graphic = point.graphic;
                        if (graphic) {
                            graphic.attr({ opacity: 0 });
                            setTimeout(function () {
                                graphic.animate({ opacity: 1 }, { duration: step });
                            }, step * i);
                        }
                    }, this);
                    this.points.forEach(function (point) {
                        var graphic = point.graphic;
                        if (!point.isNode && graphic) {
                            graphic.attr({ opacity: 0 })
                                .animate({
                                opacity: 1
                            }, this.options.animation);
                        }
                    }, this);
                    this.animate = null;
                }
            }
            /* eslint-enable valid-jsdoc */
        }, 
        // Point class
        {
            setState: H.NodesMixin.setNodeState,
            /* eslint-disable valid-jsdoc */
            /**
             * Return a text path that the data label uses.
             * @private
             */
            getDataLabelPath: function (label) {
                var renderer = this.series.chart.renderer, shapeArgs = this.shapeArgs, upperHalf = this.angle < 0 || this.angle > Math.PI, start = shapeArgs.start, end = shapeArgs.end;
                if (!this.dataLabelPath) {
                    this.dataLabelPath = renderer
                        .arc({ open: true })
                        // Add it inside the data label group so it gets destroyed
                        // with the label
                        .add(label);
                }
                this.dataLabelPath.attr({
                    x: shapeArgs.x,
                    y: shapeArgs.y,
                    r: (shapeArgs.r +
                        (this.dataLabel.options.distance || 0)),
                    start: (upperHalf ? start : end),
                    end: (upperHalf ? end : start),
                    clockwise: +upperHalf
                });
                return this.dataLabelPath;
            },
            isValid: function () {
                // No null points here
                return true;
            }
            /* eslint-enable valid-jsdoc */
        });
        /**
         * A `dependencywheel` series. If the [type](#series.dependencywheel.type)
         * option is not specified, it is inherited from [chart.type](#chart.type).
         *
         * @extends   series,plotOptions.dependencywheel
         * @product   highcharts
         * @apioption series.dependencywheel
         */
        /**
         * A collection of options for the individual nodes. The nodes in a dependency
         * diagram are auto-generated instances of `Highcharts.Point`, but options can
         * be applied here and linked by the `id`.
         *
         * @extends   series.sankey.nodes
         * @type      {Array<*>}
         * @product   highcharts
         * @excluding offset
         * @apioption series.dependencywheel.nodes
         */
        /**
         * An array of data points for the series. For the `dependencywheel` series
         * type, points can be given in the following way:
         *
         * An array of objects with named values. The following snippet shows only a
         * few settings, see the complete options set below. If the total number of data
         * points exceeds the series' [turboThreshold](#series.area.turboThreshold),
         * this option is not available.
         *
         *  ```js
         *     data: [{
         *         from: 'Category1',
         *         to: 'Category2',
         *         weight: 2
         *     }, {
         *         from: 'Category1',
         *         to: 'Category3',
         *         weight: 5
         *     }]
         *  ```
         *
         * @type      {Array<*>}
         * @extends   series.sankey.data
         * @product   highcharts
         * @excluding outgoing, dataLabels
         * @apioption series.dependencywheel.data
         */
        /**
         * Individual data label for each node. The options are the same as
         * the ones for [series.dependencywheel.dataLabels](#series.dependencywheel.dataLabels).
         *
         * @apioption series.dependencywheel.nodes.dataLabels
         */
        ''; // adds doclets above to the transpiled file

    });
    _registerModule(_modules, 'masters/modules/dependency-wheel.src.js', [], function () {


    });
}));